{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "945818227",
    "entityType": "User",
    "nonce": "0x5592071c578a2b7c42fb48867ddc7b58da9db38f48ae9dfe94ed7a8dd8cf27ba",
    "signature": "0xa8ca18b3e66e3172c768f708cd4e257925086cbd0957a13a82f73e7390a310677fb6075944fe2e85ea78ca329bd4898fd4eacafe4b37bbcde2b8b2e0239015411c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}