{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "422886157",
    "entityType": "User",
    "nonce": "0xed5dad80ac4894c0d50291d580ad70e0098db0bf4ca0b4db45a07922a4e0f0bd",
    "signature": "0x8364d3d302bbaaa6072fb7e7df50df453cf57f322cfe48bf7469933ed76790497f90d3fa6c0f45b267d26c20346d22ed05d20684b0100fa76583a4b40d5d36b01b",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}