{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4180",
    "entityType": "User",
    "nonce": "0x1395b40d0e7996fcd7f7a9394c388605e104abdb322553124db568676db834f5",
    "signature": "0x64c5cd48952c00940cbe0d7f9476f33899bee0c98dad4bd6e779aafa2e3030660fe97a31ffe59ebae309cd8fe0f5dcd0f3c66d39350e2e953ec476f5087673d51b",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}