{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "113351",
    "entityType": "User",
    "nonce": "0xcf74dbbf0ba9928ec5d04fc680fe337f7593f677f98cac10fef88605970b9b91",
    "signature": "0xde1af44d88ce83fed89f665ba984f0dfe53cd0071bf4eaa4db4c5f50d4db4d681980db0436f32eb841ee36b2f469370e756c4087e4a7e1e768002da9d5ec43161c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}