{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "230518",
    "entityType": "User",
    "nonce": "0xa485be714e418252ce6b7e445cab7c7476dc1d5973b54674d372f0edb404c22f",
    "signature": "0x4e7a07d9657f13ca15bd9ff08f78b01f1f976b168dbb4c4a5aa1c8df1cab3c6604abaf2eb0112443068f166faf85a71dc5e9ce98d4b6a02f7cfb12a645e301271c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}