{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2c4f38d172ff43b846807b612d4a99d24b889ae34429cac2ca2019f98d0783f1",
    "signature": "0xb7a68b325c75f9acd447525c54e3f16904817c22db6db5994182d50a74798bc26bd3d0adae5a98ac619abf1bf14c833b8e1fa0f59a6ffe0ca622f00a3eef78561c",
    "signer": "0x80BaBdd7604de656E45b52EFA056548D7C078B36",
    "userId": "790313179"
  }
}