{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0x1ae560f596e76f3e8e153092ff242455f8889d16bc70a1c764edc4e2ecffc94d",
    "signature": "0xb0b8f8e4a5628c046e356e61e3565bd0ed838265e14338bac8dce722d09bef5f7ad70bb1b3eadef49dacef4dbfd939753bdae10c0635c56cf58ce3ddb45b94d71c",
    "signer": "0xa185Ff45de6FF68eAa1d7ceC338cba250810134c",
    "userId": "54166466"
  }
}