{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "363762474",
    "entityType": "User",
    "nonce": "0xe02344144488c7ce8da052a2e60774d10622019f9b4e38e5028b7f7d1aa3081d",
    "signature": "0x042a4c0edf7d75dca947f505de8c4ebd5f91726205b6ad2e27557be52e6e32726a4171dd4e1e3317823d0a0399d1c0b70265b33350cc737d2c8c534b378573711c",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}