{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "328228955",
    "entityType": "User",
    "nonce": "0xf2f41a986118af4889543fb9410c26a9c62c8b51c29ce569715c250118c5ec65",
    "signature": "0x0596f3ac16daefc9aec3d25a424b828a24ed16b4cfcda9caf2809a90b63d2dda4b1c4c5da6c39260a8fd2886663ac9719fb72bd38647129856241dccca1dbdf31b",
    "signer": "0x3872417aC9CCdc743F396f6d7A6872e91dB934d1",
    "userId": "701379462"
  }
}