{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "358998259",
    "entityType": "User",
    "nonce": "0xb6bd62e065348512b7424b29eb2020f9fc4d1295da36c40c21def7b001042b11",
    "signature": "0x8df99edffb09416291b7eca7a53c1d848e508406a86eb76527992b67ccd5b6104b6b2fc863ce8799f52ce24e9f1e6c074edc44f4635ce40787e26c03a85ce6a11b",
    "signer": "0xFE17Fe2677AF57d35AbC9CeafeA4FF91C4542293",
    "userId": "934065758"
  }
}