{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcc8e896b25b3275f90656efef59b84f6a1bc665bf0295f494a69567084b413da",
    "signature": "0x3adcc2f1dbf53ecbd9033351f69a57fb9e79dfd63b553b8e755ad99791be79c6352043616a0d16b19fdb6dc95765842f90a8815a99403af67a50df1adfbcd2ee1c",
    "signer": "0x07578093d2e69D38B0d0F770941A7CC995C1C352",
    "userId": "975433030"
  }
}