{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119478",
    "entityType": "User",
    "nonce": "0x337eb50e2714e8e80c672caad5e888c1b21586f85041b989ceac06bee0b1d3ad",
    "signature": "0x86c78a6ec12b27c3e26fb7293598de4d9b6c9d3d02c760f90418056ab225d3742500886c03da07e6af3b9c0ad3a7ec90a76f8a1a01473eebad443a890d30805a1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}