{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58602",
    "entityType": "User",
    "nonce": "0xb8df59f05dcf8d51a5cb977fe7efffc297647ca70a04fe01085f13b2147a40e1",
    "signature": "0xec18ffdd9fe51ec776b1a4cdb25105fcb3d47b76872fbda5f23e4d3f4b49ee4575a4334d786e5bcf5db35afa9a42c0e2152ca6aee25714ef4fd7573a832463051b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}