{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcb4713977dba9512906f13f90030701d9ed67f89f83669a4381632fc7e4996dc",
    "signature": "0x8e044faad8f9308c59a3ac8321225d20ac8dfa3072f4c95d7bd80fd2a9cff7790b6457219b2f28d293bce0c4085b800d4bb3563a9c2a19789338de6bf131aacf1b",
    "signer": "0x9d5d1f1a59bB255396F7F1e7DeB307A4F66f15ec",
    "userId": "429311703"
  }
}