{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166217",
    "entityType": "User",
    "nonce": "0x033f4b0e8ef3c9d8c05582c2f8ec0768156a697ed73d9e138966478521c1587c",
    "signature": "0xe9088e1179f3ac8c74f3cb9881335fba706684f3d91e05c67d37cf77361291d95345253831b0bc42882e800359b1763ff9aa71e7b3dc048604a6af650e9ababd1c",
    "signer": "0xd9bc6c6ac3f68EbD35850ce5bae4828a76969788",
    "userId": "6708205"
  }
}