{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x476395649d0d68dbdf9821488983bb392c6140930492da7871ead4038ba11892",
    "signature": "0x6680eba411a671150250e276927e045ae237478fa0edaaac23bc937a0046de640b6c4c25f5f6d54959ee4f6c8a0d42d5b6c59921a576966c7374d2b6076e669d1b",
    "signer": "0x0fdbE0966d6f65E3DE225D16D06131c10d4F2b3e",
    "userId": "560630042"
  }
}