{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14863",
    "entityType": "User",
    "nonce": "0xfe5766479d59380c80f5a67d9f1667666febc39e38a32c4e84d55225ae01ee83",
    "signature": "0xcad8cb1fe68bdacf0dfa7272da244cf99d80f96217820f2a1bd057fba2d1f5bd3cf1bf45ffeae06915efa5744fdcb481accffd14baa8f321f6af8f7127ab2f7a1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}