{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "299279",
    "entityType": "User",
    "nonce": "0xc63318548fe180aa122331cc0b0705f49e636a632aed92e376698f40e27a2a83",
    "signature": "0x062db2c938b4147e3524783bd23dbe04a51f0283e97e13446f2c230cb68eb2d017d80227878b535b6b9edb5564e208b46aeaac6ee0014a60105194bce2c8d0041b",
    "signer": "0x98591a180A20DF036EB2C9D2c24B449E65939Df5",
    "userId": "338604526"
  }
}