{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x464634a520721ee8d0f8ab9e256d9049f8f06c9bf2e42113a907b506797a2f5d",
    "signature": "0x6a4022fc772a97cd0bfa25de8cd3e0a6c0a04ddc4610d8da3b7d2666c45bcd4337b272fb61e9cc8d46def0204538ae5e861d358a5132bc134346ff6c71b8f7861b",
    "signer": "0xbb3b8C270080b0DAE42411345FCDc6a00369e247",
    "userId": "690093689"
  }
}