{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0x033f4cb232c2bf32b80e84f45c21552260ea54a0a71133b802e08653af9bb225",
    "signature": "0x45cce9660c6bc74220957f5f7e408b845320d4f9c3ac9dbb6d6625a2e5982c9c6cf9901d4f996f06dad3d19d151d0a77d70241ab61625012d3ec09cbe3987bd81c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}