{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7504",
    "entityType": "User",
    "nonce": "0xf359d8a2ae20a1a3ebf3b77aeb252babbf61e10e094f031026c18a67bf25fb4b",
    "signature": "0x3f20e9930c8bc3ef5f99c460126e4b0c03b545ff42bed8a07a7f6320fcb5c5d119ec0c61b58f1418cae567a8c378342a65fcebb58adb53f2f820405d399c47211b",
    "signer": "0xdC3259a4db5A8697644164ebA1621FC6A4C37488",
    "userId": "792349587"
  }
}