{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "560200901",
    "entityType": "User",
    "nonce": "0xe4bd6952ee42c8569c17dc191b73b0efc1c199187572126d0ef08e1eba7cc140",
    "signature": "0xce485e7718bcadfa368d32c46825b3ffe812ad956d41ae5b225b0146ced03a03613c2314b752e0b047bb278f5b84ed8d854c12ea288529e20f27fdbbe320cbf21b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}