{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29308",
    "entityType": "User",
    "nonce": "0xed9feed065a9e7323357e4bc1af50792b93cf6513a88836d64324b54b9dc29e4",
    "signature": "0x4337171537fa2857172051b54b6c34ca09d56cfb9b737f9a56aa08f4be857fd9211149b11b8b7ad9612882df350e4d8c126d6b9abe0d8cccf911cbd847ed6d1d1c",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}