{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "887547386",
    "entityType": "User",
    "nonce": "0x0c3f194a3ec6b103915dc6aa74cd6c1e648b8766b47282a8834cfbcd3b3a312f",
    "signature": "0xf495a730123f2b0c52d88191e68cb2e72af64a737102a28463caff3528fdde406de733ea6fe9e328a6ea956a4b565fe44c3a24d816c97625ed01faca681f28711c",
    "signer": "0x0EeC6f3E19Ab6e181bD36137D630E24db27D1950",
    "userId": "113500532"
  }
}