{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdc0e803d2c760c1831e8c63d51525c3b28811fdb43f531f1685ff3af3ce9f8e6",
    "signature": "0xc7bc55250bace8b7cdc9c9ba8f6741cbd374d391f7c77feec03be6d3dbbc24740e3f174f278e105604326762ea5593af10965ee6d1f5b5de9b50617d2c26d2ff1c",
    "signer": "0x0D6Fe979092018A5781aE6E1aB0095528543901c",
    "userId": "32331669"
  }
}