{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x143a87ff79d82d4f2f0c2347fddba6f03236f36c925cde2e2c642b97fbef5d05",
    "signature": "0x3ba5590995292a2b90d7aa95f186cf4209c2dfbd08f801f294f20a9dd627268f1e98168ac47bf67fa41bd1706e3792c4c79ae7936e5d9f171545eb3d7142011a1c",
    "signer": "0x4ab505DBD73CB27C1457E037607E5fB3B27915f9",
    "userId": "186630"
  }
}