{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166187",
    "entityType": "User",
    "nonce": "0xce9136b5bd3742fd231ebd1757c848d8ec5407479e6c8cac298046bfe2e9a6d1",
    "signature": "0xf3bf80b5635c7139a22bba147b0f3b5b8b99790e23abca9b5030990626fed95308adbb57eeb5857b4cf75fc689ff2f846aae1b27bf2b6937c50524c5a110aa9f1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}