{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "934065758",
    "entityType": "User",
    "nonce": "0x87daba5386f1d859aae8c11a3315ccca8b9fab5e945d9ad6c196ed6427cdc0a3",
    "signature": "0xea87edcf4fdeaf8d59a5836dea1d5d488617b7c52c68483c8ed109c7261756e14198b44229d24ddf0f83170f609ecd25010b4d70f51a78a212188ecc8907cc8c1b",
    "signer": "0xDeeD925F3c4667b12fFa15Bdb38EB46e8fd36785",
    "userId": "945355671"
  }
}