{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75085",
    "entityType": "User",
    "nonce": "0x2e341d9f21e2ebb812605ab993e961b0546ece7dbef2fb10fe758ec89ff96e5b",
    "signature": "0x9f71720a4df49488f2e7cc4078f95cb597e78857d53c299c2a18c95defb518b62b1ac2f59f4c7343ea518641ed1967eacdbab6c3f42a316c26edb785351cf6581c",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}