{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd228c9aa5fc84d3e24803655fe033d97788ff15eb3b99cca477369b86590df7d",
    "signature": "0xf1db472435715ce6de351de5f353895984f8d042d7073b0106ab37ea3b00eb7073cf8822e7d921629031795a03337b2f31b58f2a5fb2d29d80d343edb3b2379a1b",
    "signer": "0x1036B9509A6420a247d328c387cE63796b59db5B",
    "userId": "47252302"
  }
}