{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "208834",
    "entityType": "User",
    "nonce": "0x97e30dedcb0a966cb1609d13bb0daaa8fc78a56d735f40e3c6f7aaa1c84a8c1e",
    "signature": "0x8f3f5bb24a2ef821ae38377ef19ea52ed001f37ddebb443301b42711a7f4aff12d0ec0fb37f8716fc8cae1862c28d12353198f992a85bfd1d274ced9c37988941b",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}