{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "284496",
    "entityType": "User",
    "nonce": "0xe3c8e99004764533428c3d48d3300d4467e236cf5ae8d16090a094f7af292eca",
    "signature": "0xe9d4dc6f0189b8afe33bab7a2878927d5c3350ee53f293d79a007942e2498422610c4cfc7bc636639148c2299ecdd9c4b712ce1e86e5ccdf90def7b4886d66d21b",
    "signer": "0x3e16afFf69eC32202c1B755Ad919C7aA325B7aBE",
    "userId": "902811065"
  }
}