{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "611841002",
    "entityType": "User",
    "nonce": "0xa2538985eec4aadd44b0dad25a26948e840f2fc01c67b7876ed685b7a5d9e6ea",
    "signature": "0x050b22b660ef1b3789ac7175db619ccca52dee406f820f86508cfd808946e30904bb27cee8e928b4d204dd4463d1c15f57217169c066d2d36f2c3150580c131b1b",
    "signer": "0xdA708531501D4f46C162eDBca1D759CB6e7447c4",
    "userId": "985405611"
  }
}