{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101876",
    "entityType": "User",
    "nonce": "0x0e0d467454f0a335dd429807705ab045fdb3935970424e82aa8df0cfc7530295",
    "signature": "0xd407612c8770f6b96d3e0a13756af2e7a3276efb5936309507dd9b9e8ced5bd819c6b80aefcf77df31e6496205405e66b4b2c71365382dc8880b8a6c730080ea1b",
    "signer": "0xca7c61d7Db568b81B8A952B917F45dd863B736F1",
    "userId": "144109"
  }
}