{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59528",
    "entityType": "User",
    "nonce": "0x8a4d35f47bedd6203df281eeccc4b2637fc0f5e6046e9daaa0f7699494f70dec",
    "signature": "0x1be66185683059127a47a2f97ca39a1b70d60db792b984b5bce6efa15b95d2eb4b3a8d5c3b4ccbea6d81312e6e25a16e680717ae1af115d5d5c49a015b1f3c061b",
    "signer": "0x4810fE66B3A42DA4cb34b622aD9A069C293c6b86",
    "userId": "445042807"
  }
}