{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75779",
    "entityType": "User",
    "nonce": "0x7fc40c6f08d1160fc8faba28c69317bdce0fc82822f724cabc0dab010839a3ae",
    "signature": "0xc75693b729d215e24350ea3ce6db2ab5d1ace0eaf6b939d5a0f31ea1a1dea0d474e1d5c99335e5ab5fbe566592e11044dd4197182e4849c30d707353c139af361b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}