{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xc6db630b53ac868422fc6116a48ccf925e2f20bdfc8e3e7b58040019ae59d478",
    "signature": "0x57708e07ad6ffa8e9e7fe0be046a5b27094b9fe673d7d827541d5db3954f5fa007815e433479dfb00f6ec3fddd34e475db1c53fb487c484e1136feda75e4b49c1b",
    "signer": "0x10915d5e626E0A08064f4c9DDA546bDEB7Fe4258",
    "userId": "871588792"
  }
}