{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "576672259",
    "entityType": "User",
    "nonce": "0x98b1e02a82be0efd2230d6febd4d9c65e91e06b7ed248491bda70ca94260414d",
    "signature": "0xfc3b2145a1cdc57ab2f9fe2fd37783479410a89d90e8f35cc85e1bacac2d27d34b2c2cc14832107505bda66874152275a26fcd2de9f6a9c44f6ea0104cfd6f451b",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}