{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "826565197",
    "entityType": "User",
    "nonce": "0x2a144301f8baaf8517b08a6e78272bdb2d87e11193639819a7954845cca174e4",
    "signature": "0xfd02f0fb830ac5478cb610d776c1daebc6f33edc716ba2caf5d69cc26548fa9260c76282aeb726f196c3f52c1c7891617a73120c05da9a24a84edd38d21ee3121b",
    "signer": "0xCedE64dcD8b0FdEDBdADF4b0ba433797eD6301c9",
    "userId": "638733607"
  }
}