{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "378116426",
    "entityType": "User",
    "nonce": "0x969fad1a88a47e581918a1acdf049159eb194ad55fb0061c7293fa22c8feacaf",
    "signature": "0x62b66b8eda227df70ee450a6e4939460dfe48f01b3b9b47fb2c5b489c4109d76504b271e5c8814f895b88c96c644adaa258257ac4cd638b8c308e3ab671bbaa01b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}