{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50158",
    "entityType": "User",
    "nonce": "0xa5ad0757acb9ab750e2f10ca3c0d41f5f4c78514d7cf6273ec9a3629494eddb4",
    "signature": "0x815378d372cbfa67dde23088b4513fe07a58d05e4a0372528e2f95e1ea22a9b86b59464eea19ef5e1a6706b897e23934bc3a6859cbba87ae7192e968da60376f1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}