{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1441",
    "entityType": "User",
    "nonce": "0x3cb9e58307f2293cce4c5767a6d1adcf67006b6ed8d721be3105f429a63d8dfd",
    "signature": "0xed3a0868facc7cca179a2247d5ef782cfb862935487e8893e8512de83dda1dd432e8451d0e8411db511a1e171dc4255880874aa61b87762d8df8420d3875304f1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}