{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "489165782",
    "entityType": "User",
    "nonce": "0x1a727f84ef9a69c61865f04e403edb8643747b0bc4d2f5b1281f2e37b627867e",
    "signature": "0x7ed25bc6f86b63cd4856bbcbb006b0f5aa8d365a42a848ae44a6a3ae6863d3dd0999354d591e9aa916fe33cb30f3a6fd521353375b7c8a0d2db6f657aa19d6e81c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}