{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17091",
    "entityType": "User",
    "nonce": "0x0ca5563375baba7c41e2ee8cab8b0a84c4736474f6678d3d62f0aabb5d8472f7",
    "signature": "0x14cf39dc6d50aaebefd824d7ed995627b7901711295820a41a7d487d815cd067269d32a1292ebefaa422df3b3083178ecf0f000cfd90ddfed6d094ee695992591b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}