{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "936614",
    "entityType": "User",
    "nonce": "0x5a337193a0e938ba37c11469e04695153cd65a37b5bfa3d37a2dd457b23d4628",
    "signature": "0xef1e58c78e7aa744653f57b3667245f5d1ad9ea713dccc299c05a374031afea80945508325685ac882ddb93589ec8ecf233a739f7569312be9068d0331c1aaf81b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}