{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170373",
    "entityType": "User",
    "nonce": "0x7e26a9bc5e3bd07272e93e5d889ef3171db9d47bae20beba28162fe169eb8ec8",
    "signature": "0xaf6a23ad0b10cbc43185cd048c42bd30e896fc075ce2073359f20c2123bec19312c9f901356b48b550333720a3a98242f1ac7987b6daf2cf143f215ce0a1789a1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}