{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "162487",
    "entityType": "User",
    "nonce": "0x46b8a81bad240446d9eaca9dc3b0f1da76100cab40a106ce44aca2e40d44646e",
    "signature": "0xb992a8e6d24944b603047dbaf6716801516c37ab29453a7aaa45fb0d8ac80572191e56c648307252620e40cb9a1f1d0a492578594633e260d5d801444367302c1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}