{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91101",
    "entityType": "User",
    "nonce": "0xc53fc120ac9ea8798fbee9764b23bea7d43c6f342f2a2b69c6471c0e6bca16bb",
    "signature": "0xebc9f47540959fa8ef08114d79e43cd75c126f4ffc90227b3708150b68cf7e124548e0e76949adf5a4d26a6c69e175aa6435dba42c536ff264d8d1c7b7f3100b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}