{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "557210595",
    "entityType": "User",
    "nonce": "0x73061f6337c2562455546a501d03385345aa741ede842247863f0ec7c6f110f0",
    "signature": "0xa3cb14a181f0fbd6f2efdbdee891ec0ddb953754ee64b07d74bc447a6931c49b1efdc68b3d556b3f67df9d4291f2eb86195aef93966d398fc3e96afd84e301dd1c",
    "signer": "0x2752c6C488Ef240895028c3B2287EeC269C7EC7A",
    "userId": "79019982"
  }
}