{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1797026",
    "entityType": "User",
    "nonce": "0x16dd21ce971da5b69900778b8f239e00907841b92c91e77eb63ed40971f11930",
    "signature": "0x59c0c5695552a4774a12afa33f26b4a9b28c5fa59f85637b9341f39b2f9657790475a8235fac859c42696bdb14970a8f4a7ca315eac2826208e430459cbffd0f1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}