{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "952581425",
    "entityType": "User",
    "nonce": "0x4cfb3b8237dca5eaf38ffe4645f712b8e2c154b721860d114bc080e4ace48e4d",
    "signature": "0xdaa925baf1b4ab70482a329ebf810badc43a4ca8aaf6b60ca27d4a0163d4fa5b3d844f192f8ef1d47bfa3e19b6414a24f32d85fbb9b3498478e4b7232575369d1c",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}