{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77508",
    "entityType": "User",
    "nonce": "0xeb6d6a0d2302de4f372b10aff43f7c3aa6cd63f9c253c407bfc7614d7ce6ca19",
    "signature": "0x17dde1f4f397f7d5658ef798636cf26db7017502edd0f318df2bd67265bd1cd10e5c3c37a283a1a1a2ce82b1eed258be0255ab8da649d36d3d82d26c68b10f131c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}