{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90136",
    "entityType": "User",
    "nonce": "0x4342895cc5077266f0559d38bd5e266931c84d76b7f2f97efabb13025cfd90ba",
    "signature": "0x399514a979a4414495fe8728af86d53a685461919355b748b0d8342a643c935d4a339d3350a4313453a033a63a8db69a33c37b33e9a4d3e132d2140530feceab1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}