{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40758",
    "entityType": "User",
    "nonce": "0x486e0b7f4f7a5f8236838e282915fee5860011cb68fcae1fc351733717c10e81",
    "signature": "0x73001b4c821ddf14254c36d0b90971f7c2d1ffb9757fea22c0e9a6caa13b8cc4017ab5b49090d12eda5fb0389dc8fc7bafda2fc40201ea3bf99bdc6a84712e821b",
    "signer": "0xdA0eFB0e7b973C487c12501759aDb23012CB5248",
    "userId": "178070"
  }
}