{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x66e3547d85822c3414a1eccd509a75061f3a72c49cedb55f9974641b28929444",
    "signature": "0xfab4201c16c876827f76db0604f212cfbe0f459bfee562cc4da1445dfa03dab402c14c446a3033f770005ecd3fddecabd5c15e1b705f4b7d5ba644fc5684b5851c",
    "signer": "0xEFAB3332CD5EA33e9817aa57B32CaCb8Acf973A4",
    "userId": "407216161"
  }
}