{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "923551697",
    "entityType": "User",
    "nonce": "0x0024cee02ca4f2a80aba7d523b6bb0d98c874a38df0d988610ea5e7ec6b3991c",
    "signature": "0xa32a1bb3763d80b8a8824fa014b9dbf14241420a0f34d7c2bbf9bdcac8e6b4fc683d98458c137e2642d8bb5c1b759876804816d9314a88f17a072a3b3d9dd8151c",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}