{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "529409199",
    "entityType": "User",
    "nonce": "0xc145270786d1f9b381c8a56fc330644e09f2c40a1e95ae6fbb310d85bf5ba40d",
    "signature": "0x7efe831586e0754fc5fba43114717eab97ec62a0613c754b189e1aef11aa6f07687de034472ba37a398c72bef28703b803dc0fcd4d7ef04f075c643d85fe7b771c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}