{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0xea488ca37a6c9fcbe0a8d4c4748b361f269875a89fa459164e87246183bd19db",
    "signature": "0x6c46d7cc8e3861e1ea83d8824cd397df3390fdf953c0d2dd9d1de7384f6b79674f5d76080feed0cb5951051e68feebc2b8d263b57a755c287fc458ea0cc52fb11b",
    "signer": "0xe4094b5dB0BEBa5eDB0d4D81c5D86377bA5E8f72",
    "userId": "563905866"
  }
}