{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317",
    "entityType": "User",
    "nonce": "0xd29f3374bff54697c101e74120dc41472311c1b08eccc2e0383ff1fdacad3664",
    "signature": "0xf6685633d9a5014cfa963cc811410995313c34c145f4d3d24433f7a66a7e908e4cd257243a67532fe042bbc508938e7ce7dc6e32eaa7675a18252331bc6d40741c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}