{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294330",
    "entityType": "User",
    "nonce": "0xf29494b8ac09a3478777e58c727ba4cccfc2d3339a2d007cd95e382f6e2cd21e",
    "signature": "0xdbc1d456965df0cee4c089d99199e79b0e10613c61e091e727ddd24411e151a92396be197a69bbc31649f35a2d7d85f1aeb17e14c3602e74368e9e91e3b068b31c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}