{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0x2aee98161bd7e0bb942a82f2e1cb3c84131a8ae33934f1f615efe689b1f67685",
    "signature": "0xf24203ca3bbb81888b0736b4f4dd190668342429730d6c7e98aacb2a3b1d1953661909bd3033b89bfd0b23b2aeaae33faca583dd69c88d2d4a416853a353cf3a1c",
    "signer": "0x81Bf0645011274410d5E45790ff7D2d89f3e2254",
    "userId": "880775312"
  }
}