{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2bb5e104590060c91b44a418034f2191b377f78a1095d587ed2d244a8657fe4d",
    "signature": "0x10e30c3d19c06dce19dd5d656d0fb77d5b0c2242485c6c6b85cdd37a371f49ce5a9b07fe9d277bb8da543627512dac2b78199a226cf362df3210a78f7426b6ff1c",
    "signer": "0x7BeE6A029868871221bFC265e0DAE4553A4eC744",
    "userId": "229698256"
  }
}