{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "984593706",
    "entityType": "User",
    "nonce": "0xa71aa697fabd981de090c5dd1da36f623cc73e565aecc15c18a2549439b835d7",
    "signature": "0x89e10e054521ae852172753916fd8608754aada4c2cc03cbd08535e66b7fdb84460fde452b51fedfa01fcb67cd29f87156e08ca777796c5e411e484282f9bfcb1c",
    "signer": "0x2B171214e998033E806F72301307B2160CD94DdB",
    "userId": "489165782"
  }
}