{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "45162",
    "entityType": "User",
    "nonce": "0x82295a3ab509928888baf69bb2edb407010cbd17e0fe7bfb4009933b45f97c49",
    "signature": "0x0b3aeb2d2e19f3ea56845d9845a125c69a1879fb37ba0035bce39a341de790fe00851667f67e4c7abdb63f23a4e05a167f7ee8e851e6daa16d791942b52fc2c81c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}