{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x3c246868f77bd3524a8659b66fd56c10b0939cfa09a278b7fb9812ead793fbc7",
    "signature": "0x9c7ee73ed7ecedb89965972b40a715fc2b3f5cabc352c1c9ea0a7bba4e88bbb179d9951fd5018e5ab8befbdf5c5bb3d6d2da166dcb94f92c5361ccc8166a1a3b1b",
    "signer": "0xfe0812559692b402114f2E22b5680970591c3e39",
    "userId": "900235710"
  }
}