{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "288167767",
    "entityType": "User",
    "nonce": "0xafe32e1af518b365d094575444f82bcc239a28cbe403e6d12b19a8555643bf4b",
    "signature": "0xd7aa14e17c98e2f8e10f3ff2efeb79525e7b7bf158463f30443af0fa10d3bd644c2c625e1ae057a35e5e3951b31d5d0c8cbd1bbd0d0e941a6012505f57111cb81c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}