{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x1ac70c6b14de75be20ea562074ad7677dae602b76a922dccbc73fef8c7cbac65",
    "signature": "0xd6f71a1b9120ec70601e558b7e31807157dca68e982aebc071ae3ad7bd0b3b2343d9a09083f3760146a798d86e5a00e8baee13b85fbb4b74abc9a724238acf071c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}