{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "237191",
    "entityType": "User",
    "nonce": "0xe72b2d0c6982585c9cdcdaff22234d890b8152cca33742db893fdd29ec010847",
    "signature": "0x7155be1e835ac1020c3b48b1b88c9e986470df0b0d115993025248345b14dbe850ddffa77c1c182a812e81bf50f655b799ae47c6f0f4c8b02687a6b28a2a8bdd1b",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}