{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "184146",
    "entityType": "User",
    "nonce": "0x0df7515a3d80afefd9b460eba6de845287f0bb994bdee659cf5e1c5d9272da9b",
    "signature": "0x784bbfd7564bbf7642c59c220be76524ab0196d55060b37c34718e8c84705d6f0d190967bd4d3adccb269c967b3ce0705c898753884f07d75e34f5b4bff5ced41c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}