{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x765de7e8f848ee96128069f6eeb6463d61c35543efb10105532de99b97654278",
    "signature": "0xc38d534950c1ffc1fde13f7844fd644de850903ede68bf99c23642ff54a539d1406cb60de825e08591bdbbd3e1a9c6c7b27e657320bd8dedb5e0bb7299a3827a1c",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}