{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77214",
    "entityType": "User",
    "nonce": "0xfe82f324031a9e9501d6744123b143af0518d59d9fb21cc52e8060f0001d82c4",
    "signature": "0x4fb5940e6422a9eb8444b8e5c1349dd99e38b43cfae5ef85b80cddec4ae331f00b6db606c37d645be796782dfcbcc559a582c30d4a2dcdcafd5c5f42e00a30221b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}