{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102866",
    "entityType": "User",
    "nonce": "0xd96c59d21c0c34e66013f568497300c1714fea3cb4fca06f36b58ce9862eed23",
    "signature": "0xfadb0199269a4fe7904a1548264e7193db9f83e322aff92e66a4db40dcfff7e021a5c862a6f770e142894e416054f6ea1f3232754f061a7e084632d5e38980fd1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}