{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8545",
    "entityType": "User",
    "nonce": "0xb8a1558fce5ebe47499563a25ae943bdb0088953124320e9114acfa50ef6fc19",
    "signature": "0x8068a2ada2a50d7f1eca008487cc9cafebd163a6ab127625703a71ebe82a40983b663a446273c0ff1df026e253855680ea3824f6be892002a262b1ff0ae9d2421b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}