{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22571",
    "entityType": "User",
    "nonce": "0x835d17a8a402836a1d60816d2ce968c1c4ba8d564128804065e4134e29066cae",
    "signature": "0x03b9011547d07612b21f01adf496e7aa92e8aa504d77f65570beb5dd87c6555e357796d2861ffc7265d598bfb42fd07b0f56f2d8ab26c248a119d45a346e8b351c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}