{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144054",
    "entityType": "User",
    "nonce": "0x7e925ea71ea0c1c3086eb66fe53a26bbfd7d8216e8d4b87748aa37b244014f16",
    "signature": "0xcb338323ef36cf3deb7e52855211a32e4d07f9e9f561772c07de63827f13be162bee140d393da7f61c711510e52be92dac8d04f7796e3b7139c2ad8eb0753a0f1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}