{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "481080235",
    "entityType": "User",
    "nonce": "0x426771036b8b3d098b8bf9623df6858699d2da31c6de77bc13e31e5fd6b257fa",
    "signature": "0xb797990985c81ccfd4a3088aa0b05fa788dc07d663e2f572906f3a1acc25fcbb3432a805265e47680a8497b35663ca7ea4e1f1a08f5ebfa91a03d9106d0963441c",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}