{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0x734405649b82485eb4c34990ebcc399ba37d0dd87f81e89bc2eb356e12a8a3c3",
    "signature": "0x23ee08db62724be9f54d57b2c5c53a4e4b18b231dd981956508cf6314c9fe3a53db0db438a33d77fc6166e0854409c1671ef0ae718b541a8a9d5679fa0faddde1b",
    "signer": "0x94ED5751F64981fDd35c3f6F061067c03B95D72F",
    "userId": "63175258"
  }
}