{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0x5eb1ac53e779222970e0a27f0daf8871af16b43e169b84fac3998b034e2be164",
    "signature": "0x36431d0ef52c1aadbe982135e78a5cdb7766b96b3c30a60b6907397a30c0888a793f9d35ea7cb021aec53624cf96a0a5b562d5354df5010b829b0682eee9906d1b",
    "signer": "0x083e7805c2A3a6DC640892099888b4Aeb83E2030",
    "userId": "574551044"
  }
}