{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8876",
    "entityType": "User",
    "nonce": "0xc700c9673104f8413f8bc1cde8224de1945bd341b592c264d49727736a4af022",
    "signature": "0xc173160dbb56399e1fb21101c81a50505c4eca44b69ec4e7e7fa49dd0d9163bd52fa08ba216ca3cae161002e9cc21a4a92eab774bbae2730822f259a300cd1681c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}