{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x659d617d5eb78065f6987db6eadb846260760640f7d544e8dac877f248f5e40d",
    "signature": "0x90d949ad4c3998a8c36a176d4b5953e1f5535df8751ce23d1f13ae163b0556424e3487ff7eb6a86c4a36ae8344859a20572f0fd0907628d6b4d271183de8c9c61c",
    "signer": "0x0fdbE0966d6f65E3DE225D16D06131c10d4F2b3e",
    "userId": "560630042"
  }
}