{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9245",
    "entityType": "User",
    "nonce": "0xc092ae48201c68ff6067a6ef560cd9923db4b566a30ee7e3d291612f16ddf2c1",
    "signature": "0xf4634c8d421d47e7f00527a1781b2c854190ac9a4bb0a13ae1051f354e5b15896233fb700d9d555a2465e7d53c5b10adf6bcbf4056dbd3e6c082107190a4048b1b",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}