{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "711757920",
    "entityType": "User",
    "nonce": "0xe6341a16eb50d8eba3aabdc841cbafc5f0730e7c19cb0e1eba00129194a0bfe0",
    "signature": "0x7d9c4c69f59d87ba134e2c73c4eb5d3aeba00b9a4e2844fd0bd8059eb0f6dca7160c0a7f52059eb2d2d1da5e799819ea8892c50e35a2d8afd47370f6e81c52921b",
    "signer": "0x98fC2b30E6e70e62dB2b5fAE7b0292DE3D4323Bf",
    "userId": "480962013"
  }
}