{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xec2aef981050325d3ca64329e6f0f71f60ebb12f0084f1f530d66eb368124ec9",
    "signature": "0x4932f210529efd5ce5f98002a2415c7b58d6386756de8a24e6e0271ca22c804f7fca814858e544b646a1c278ad97ce321a91069fb304b3b968604e0bb79007331b",
    "signer": "0x793879Df3D915139b7777E4417869d2B435122E5",
    "userId": "913447155"
  }
}