{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91846",
    "entityType": "User",
    "nonce": "0x79f53c07c8ed381bc71f325f5ecdde7be8495577318ed494ef5db327b72da3c3",
    "signature": "0xb5bcbbc420f35cd854d33789814e9319a92b96e6a17ca5a5d22d67f53421222d4942d9ead87b3e7c233b1f70cf1fc69c2d4f0c6daa6c2b70b4c226a3f4581bf71c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}