{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128508",
    "entityType": "User",
    "nonce": "0x43149abc1c81f37fec5b8478f6471d6152839a637e99e70c008a8a98af172841",
    "signature": "0xb71eb4a9bdf85ffa82b537bd759fab3905ebd2b250d7cebacde890e2e2523102332d4f6aeb1af6d49486a3ff3db0f442a871593734617c4d8a83d2aca1e0ac2e1c",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}