{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71290",
    "entityType": "User",
    "nonce": "0x4021ad12ee0e53271dd33f55920a3e09dfa8a502395f181eb61705b6716c5ba0",
    "signature": "0x69bfc2774c2f356fd3d68eeda8accb596f9dca79871d82361420bab8de1b64166ee339a5c25c9006da120bd5688798c6a7db4d75d567d3428ec277f0fc1a29001b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}