{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "856929938",
    "entityType": "User",
    "nonce": "0x1d8bc1fcef901ee87316485d8ffb7e5fd1c2f3d532a1e9b09f678fb96cc4feed",
    "signature": "0xbea7dc9325e97f4f05fc50d0a3c3279c8cd11e7193f5a8216b99e78b800c456a7ef01be062cfd7955d52992945adc161a9723d8ffaadf8f2b78a1be91c0ef8b91c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}