{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "527061174",
    "entityType": "User",
    "nonce": "0xe0e9b59fe49517283adfe97dc283f0a518c86c6700e5b3d2e3cd342c745ebdce",
    "signature": "0xbb9423882522bd8fc82b2bae4fec0e313c1a9173f944307bbda3372315f3a0456ffb0cd2c040f42e98c033408205630e20c85ebcfe007cff27f8dd9bd647988f1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}