{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "118493",
    "entityType": "User",
    "nonce": "0xd4bbe1135935e395554c83370ff826834248a3f8a74a327a05d15aa3446397e8",
    "signature": "0xd836bbcd2f7e80a1a5ee84860363072167267eac3f07143111342392b0bafca9004ced0f05b600eb63031f8ec9841e81766e4d421bb1ff3698c85a5328982ad51b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}