{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5941599d2e39b2db3e81aae9f9f7d2a94085ec3814109f3d9be6bc4d8627b6b0",
    "signature": "0x9104246102e8924d27a466d317bac1c5897fc2c497ed3b90d626f824686e674b23bd5a805f4f556d22514391b99769b86172c3b356519d018959ab9c6f8cd49f1c",
    "signer": "0x85b05A5e7cF0feBb14BB5feC1E645dB5151F8e8b",
    "userId": "104634770"
  }
}