{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "337206",
    "entityType": "User",
    "nonce": "0xe2b51c5324bd29d05620a0bdffd57f677f22df4179ba4f7b995cb0f2dd0cf8ae",
    "signature": "0x5050d1e3bd57594490f97195a9fbd90ede2cbd61d52cc1271b20b6f390c03417252bbdb5cff69d82f07215d2a9c925e448253e0b63e2c027eaaf89dd43481bff1c",
    "signer": "0x2b4664d9E28380466C2B17959303f1C6E188Ab86",
    "userId": "800744597"
  }
}