{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "207364",
    "entityType": "User",
    "nonce": "0x44d194dd7257d56a13bb06712164fb26cdde255fdee05d60dc65d64a052f6b66",
    "signature": "0x067cfada80c0fb5daf257168b807926944161c9ad7dc2b97750956c43e25f4a77301b7a6a11ccf21eea0d4fd45b4300bf91b0ddc4cf7bfbb7e92eb39bb76775c1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}