{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1246",
    "entityType": "User",
    "nonce": "0x664b00614ea780556985c86258d66a1eaa7561aa6e1daab64ed2ce4ec2a5fd12",
    "signature": "0xccb4d72d92ecefaefb19951da3d973d5056fbe1c5931d656cf8f56e6d4e0340e03404783f00d1960b22cd77b8091908ae7c70dcd4829a9a77404a489d34512341b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}