{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xb1ff0470955573795b84e7a18934de833b03e27615fd425a572badbe208aaea5",
    "signature": "0x05baeb59695d39122a935ae0e3701e4c7dec99d4a6aabbd67465993ab31686c550dbf416877cd5ac542817cc702acf527ff3f3c579a1c17b80aed94c44f749191b",
    "signer": "0xa0C4E02f28648143d28Be874070Db2dD5F0b1B94",
    "userId": "95644816"
  }
}