{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27983",
    "entityType": "User",
    "nonce": "0x8577438cdd70ef6815e566be81f52335b04114e7b71c43e2503e4505cb981ffd",
    "signature": "0x98e8c77137b9d48c0ad0482687281d3f0eeb58c500030afc9ba436e713f291d4494cc9b5affc8ab4df8fbe0135c4023b1ae56c7e56750b4e1c70388c8ad8fb6d1c",
    "signer": "0xd6F1269ac846201d7f6d5574279594D67A06bBb2",
    "userId": "624634439"
  }
}