{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xf271a5f9b4ea4c4f7a2ea1244f699f7d5204a88d9e7d2059e7669da61c3a5b8b",
    "signature": "0x7f72cbe19cdf0b2de6cf7ca52e233c62172fb0cfc2d5726d90c977767abbbded654ca523391c0473fa7c3e81bff7ef4825e93fec710d2e3d41947792c0483cca1c",
    "signer": "0xD3e2a2Aeb739263055A5ec4484257b4927578D03",
    "userId": "117667088"
  }
}