{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35690",
    "entityType": "User",
    "nonce": "0x689852364cd526abb7c76134cda72daf6770decb56ae53d08979ee70efa7d5a8",
    "signature": "0x441d8e10a0501eadd264e5befc991c1927d16620c9f484bf27ccfbeff71b66865cba5101dc56e7377e82e0318f0bc50b8a2cf2595cfc3a83ec833d3712ca7e491b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}