{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1120",
    "entityType": "User",
    "nonce": "0x2b0a85731d0ed8253b0e2d0fece0cf8b6bb59cbc7cdceb18077e214307bf0308",
    "signature": "0x7c9b7c8290a9a9aeeedf90c46905a8c4979c2a06c1a170d6e7c89d8762dccb0f7a666355b8afd136d4276f20444144c20578a1466b6b9d6acf8b960c256765381b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}