{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "218348",
    "entityType": "User",
    "nonce": "0x6905d4b9e8b363721e002986734c406f75c98185368315b2bed750a21afb640f",
    "signature": "0xb6af6b9aea11d25f5ddbae5437dcdbd2eea1cf18c8bd3ce47d3c5f2ef698188f7fd37f32a68c98399507f89291e65ad99877b80e33b272082cdb72a9a9cf56d41b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}