{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "285143",
    "entityType": "User",
    "nonce": "0x6abd165c104cc5104df9b530e033015e3ef55682215d6e10e29982fea965ce44",
    "signature": "0xfca5b3ef30b573b86775663ebacff3b19c2676a294a9e24b52848243a8b39e32702e4454bb8978f7d332cd668ac2de77fe3928d3c10f78e911247ead9fad6ea41c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}