{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108871",
    "entityType": "User",
    "nonce": "0x7a3251544791b99052398b95a1482b3201f57e07ecbe36f29b4649362d40b71e",
    "signature": "0xed16b2648f4ae34beac47e510fe73134bee9616c25d119d3ecb1df6f58138c0d18766c463d6c07da32005d751253cfed4b71c32e8a8f0b68a77c5e529193e9bb1b",
    "signer": "0x0E5E64AF429524C8BFf63b8e92dC2709D672C436",
    "userId": "362390392"
  }
}