{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0x14597fb4d890435dd6948f20dd33fe2b4181e36181b4c2800c4a075315b8be7b",
    "signature": "0x50f7cc499a483ce037e39d0a6f767ae4bf1050d254e1f89df3f5a5df5ed5fb1735a2e5ddb50ac05dd67eab92da986dc4f97ae021c24bee2e09c447a91a87c64f1b",
    "signer": "0x1b8900f6b161d2A764D77aDDCD8F3Ff1f59d2294",
    "userId": "625897998"
  }
}