{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18379",
    "entityType": "User",
    "nonce": "0x8d32fc1fd1b129e4a38d99ceaddb155d4be685bc5c0a1dd19ce1919f589dee53",
    "signature": "0xbd23b77ed5e86747dda0f1c2ac2066a356124eb35d6fd85131844f3a62c7d9f87d13a1efa47011a6b2d6d57aa2382cb0af0e5480966b0e29db64d3948fa51dd41b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}