{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x1574e7fabaee91f9c1d9f149121ee4bcdc606a7aabbec8139731c7b770d32450",
    "signature": "0xe681c388df95a1cb15d8903ac5c5693e4dc83562ec5405f43e0e42c2b232cee57142581ea4880add55e953cf6dd1c675afc98eadf98f08c6aed5081def2efb141c",
    "signer": "0xBa39a1B9C2A30Ab1FAfa33cF54BF03e443abad57",
    "userId": "348773042"
  }
}