{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2686",
    "entityType": "User",
    "nonce": "0x2a3fc708c20b0c982c04e950d7a71e136abe1020062415797007010e00f4580c",
    "signature": "0xc709a15737e9a92349df5f94da51ae166a2031f4d3bc75bec58427146d19c3df037b1da7e234554541777f5c9a06a75215a0613a30c8ef348e0b8597f8c341421c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}