{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78335",
    "entityType": "User",
    "nonce": "0x0c315e81b5600e1594c3062094d9244904ee3221273f740707ea32a8ecf0acd3",
    "signature": "0x352147b2e53cf5d9aede1f97711f37dd225d0cdca6a219e62c5089602b694f2720d88ab6f3f3b6747703ae39e56645daa0a84b9d869896ce184a74920c08b63a1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}