{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "413954570",
    "entityType": "User",
    "nonce": "0x65929285acbca4b424f35d6c6a6de76a277261c2818bdf24ab7494ca52a82245",
    "signature": "0xfd8f7127db0d683d3bd654822b70582a9d06c7289c330eb8b013c853ef53e8000539bf4cbceacf87ee78041eb691f6ef22561e5d2d4b51bbb122b365f2ac70a61b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}