{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5372",
    "entityType": "User",
    "nonce": "0xf35c97682d6ea8ed70425b8c0e75ee245dbfa923ee9143d35a589b5bd30b6d72",
    "signature": "0x5055dca5f6a505d52bc0dfbe9ddb0e4a801f74687751b27dda0b1aaa014268b45b2fbd3c1f697a38904cb3e9a97a1b725f2809ad48db97a24933f38ec8c694ac1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}