{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "986621",
    "entityType": "User",
    "nonce": "0xc3fafb9d521b1ccf17133a9d32daa4498a3aea69c69204f0d68015914305af09",
    "signature": "0xf3d6a7151a00485ee340663ef237a8f3c0ae23db75b45867d3a08208468862303281b9370de506f409f07ee40c7ea1f3ae1a0cd2aff29fc090f0a86f2ea442971b",
    "signer": "0x26C6e9F9a6E3854dF4bC2e62742f128a2C9d9BFB",
    "userId": "465074020"
  }
}