{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "855326662",
    "entityType": "User",
    "nonce": "0x201b44363f472571f658c74331c24295040db6076d3c940a96a816fc7573d2dc",
    "signature": "0xff13201f8c4ac9483b7428bee5da7674d6941ed4e90832e5245c1b30adc0aa4c48db4a99a15851d86c6cae28aea7642ebd92b4c8c4dc37941aa118f50163e8061c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}