{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x70c781e1c29b38571cc48867a8438f88a8e9163866fffd8a2f99a9b7ce0cd7b1",
    "signature": "0x4d17c99d01c9ae1ba87b8704cf50e6b962d8efde7509d422b7d02e2c7eea87f32c418a6fd3f4b721e30ccafea58fec76ff5ad6aa23d0d7052c9e3f45a7303d781c",
    "signer": "0x90A9206Df4cA22A1ad24bfB7F1b639Aaa812Ac58",
    "userId": "266782887"
  }
}