{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77551267",
    "entityType": "User",
    "nonce": "0x43dca0379eaedfe3d3abd5461c2621ddc277898b910151e10c9894a4b36b8b7f",
    "signature": "0xf29b7d09ad954636e48910928cd6031525b6469b3bf869985cc3d88880e5d9101f94aecc470c60e96b2fee43ff73e256977e7dc97ec8bc96342ce5e07d741edb1c",
    "signer": "0xc1C84e5C06F7dc5824672906AC6E51CDfeb90aeA",
    "userId": "447798047"
  }
}