{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0x103d2d005b417816574625fcbaff231bbb8123fa955610713989e54385f12345",
    "signature": "0x362e83abcdf26788acd6a09983ccab6760cf91f09b2a1814a562746ac2214bef6fcbb51b69c292934d977c242e599b2d6f6787c375f3f465570709b141b7004c1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}