{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1844160",
    "entityType": "User",
    "nonce": "0xa4b11039c1fb8cfd91dfc0b39ecb021aae45f431ea591d26cd65e74044b59cbb",
    "signature": "0xd82cbeb0de8e0f50e3e6656c4bdc404bf945f8ef50854d003a9c68d1ee79cad93922595197e7bda9137528190e2f9b0a1a9d421bdd2ade1e63fe4ab20d0ba7f81c",
    "signer": "0xc01BB3a3E7C64dB44052AcB9aedA3f7AcA268064",
    "userId": "423602960"
  }
}