{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "871324932",
    "entityType": "User",
    "nonce": "0x0185e949f11333aabd9dfa437bccf508ff84cfa99c8205192106bca63d6322b3",
    "signature": "0xa38617c3c5b440507274d99bb77faf4288b2df235783516b5b8a0aa8ae28dd50768a167021455eff1ca95f7d4a2bb4b957390b260255ab0479d402eea35c56ef1c",
    "signer": "0x926F8d71a7109CF6Cce00DA74e1BcF50aAf63E8b",
    "userId": "358546053"
  }
}