{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4334",
    "entityType": "User",
    "nonce": "0x95e9ed71dafee5d5827aba5ed6fde91a251553c4464800d982831aedb175aee8",
    "signature": "0x1eeed087268015c5798a4d366255574299778d9398dcaf7e852c36a2665e72fb02d3ba249d40073f0f74b5f9468d7a1ecfe0f1fa32f38491d97ffe07ac2899a11b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}