{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1846815",
    "entityType": "User",
    "nonce": "0x3f939ac8387305bc4995caface0f43e22215962312c6255e82326853bdec5629",
    "signature": "0x56aaaaf1e3d89982a7ab6ef01dcf9d34b45d235acbd55214ad84f2c98c4d182000d1e458dc18fde2eab35f774290185b417673d999a1061f49434db9de8f42221c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}