{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6691",
    "entityType": "User",
    "nonce": "0x8ae6b4db1463f07acb5f8f025aa0d2c4728a531c4e59da9803f79c5027b750f9",
    "signature": "0x03cdc3d883ab758b1be9de0d15f15b3592c1702bfd7695a7adbc5f994d85f76042e975ee52bfa6031239835615e45901cfb7321843a9a859b73ccbbd198372701b",
    "signer": "0xcc8164Efbbe4ed123B8689622b411c154496e66b",
    "userId": "60031"
  }
}