{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "634886384",
    "entityType": "User",
    "nonce": "0x552b52d943bb9cb7f1fe458393c131c9451b9f41d8a1913c71ee7b0f6a72c11d",
    "signature": "0xbd969f69b6b1ce7d8bc53b19bb468a39b81015f0bfc031ad8c25c4a0ca1d7687201ed3f6a73f88bfdcf539a30c81ce5d383568088af9d0583b4b7e6041fb48ae1c",
    "signer": "0x98591a180A20DF036EB2C9D2c24B449E65939Df5",
    "userId": "338604526"
  }
}