{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "178070",
    "entityType": "User",
    "nonce": "0x15db565ea7909893af9812264633acc3e32457b9263021d99c240a19a704ab45",
    "signature": "0x7bfe2f1013cbe9a9f8963b7bf3a77c3cca777d826aa153e5c4c7f8bbe425d14509bde43464f30b17b9859c26e35b60fdd264d7d27ae8fff73794082b805d16061c",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}