{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "257111",
    "entityType": "User",
    "nonce": "0xc3a372907cd4575a8fc6788d1de73a18972dd98e63d9d0b49e7c335fd40b0990",
    "signature": "0xcaa72463d719a489a67629e314aea906bbfdd21fc045fe55dda8119d51aefbce16d1982736822c66e2f093e685b628013bb458d76851c59a91ff99cc45a121801c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}