{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "311492",
    "entityType": "User",
    "nonce": "0x1fd21c15d2a681f0353172199cfddd3b4b5a1e996c4dbce801cb427d33e1e5f6",
    "signature": "0xd674d3b3c192fd2122051e8f7381f1604e728fab9645942600591f2501619d0124c3daeee1ef4191010093200d1265fd876eb6f9d47474b6e37fe64dea18f4a11b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}