{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1410612",
    "entityType": "User",
    "nonce": "0x65ed9c8b88c2cd00f32244dea33255aa47f07ee23698e0da773ce4e5391c8da4",
    "signature": "0xa5f946b1bfa774aa70ecb93e8cb66728d18a71d8fde201b3835c77fe7bd0eff46a3a4730e62a1f4a8adecbb0cdfe375699f656d70ebf9aebaa74b024e5e7c36c1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}