{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89489699",
    "entityType": "User",
    "nonce": "0x5c12b36a7e833c7ea5a51960f44cc42e86cdce7e5a7f7431adbc5ac22e11a8f5",
    "signature": "0xf8eb98ea8badfdd2cdd5aa278c53e8933cc935ebcbb15c5d4a10d56205f079811fb7798bcc3389e506685ff20337cec6efd7d1de77e121f20ea929e805248e011b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}