{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x96a5fa01c647c6ac2f767233c76688d01702da695cdfdcbe214d0303fc7b140c",
    "signature": "0x4b7924520a322c086a62cb99b48e036c1b42f715ddcd1d489bb3fd90f5a8aac4770905b32fd02e0bcfe72ee558e32340ebacb324f8c0242ac6fe7389467ac5eb1b",
    "signer": "0x4ab505DBD73CB27C1457E037607E5fB3B27915f9",
    "userId": "186630"
  }
}