{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "916107216",
    "entityType": "User",
    "nonce": "0xec8fffb96fca04866e93d8ccbb812b9bd3dcc0f4da68b4a51f45aeda31893bef",
    "signature": "0x6ffcd038c88076f9face9fd9954b5b117f83cbccbcec4614bcc7c25be2188aa33efba7d835cd24ddbf09bc9049140ac9c5e1ca7173a72ff3204467e1d1efbffb1c",
    "signer": "0xa185Ff45de6FF68eAa1d7ceC338cba250810134c",
    "userId": "54166466"
  }
}