{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15113",
    "entityType": "User",
    "nonce": "0x47fd82c8dbd24f726b05494ee31dd0b073924a98694b9c1b58a08e6cffb721de",
    "signature": "0x285c0e3dfee9714881676d8025821f1193dabfc8dd3ead503127f5f5913712dd78a2310c5d89d93ecbe0a60f18350d824d4f73a49f27b5d79a173d05a34a65471b",
    "signer": "0xe2d5dc854661276F91ac9193d716a22d85a0A408",
    "userId": "610082448"
  }
}