{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "222934",
    "entityType": "User",
    "nonce": "0x399ba34b94bd48a62d414e811bcaac2a288a1e20b253c51eac35e295dd35fe19",
    "signature": "0x1b161be5a07c84438440085d9ce7b74557a884d00b6067e06653e14fcac0e68b20314b69e202435895ebec442c2be69d5e72438ce4664c3c24bd2d91720f09651b",
    "signer": "0x06e4E068e92e3033AB2dcaf7E86aeCaD6eDcE719",
    "userId": "45970"
  }
}