{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7181",
    "entityType": "User",
    "nonce": "0x78421b429f6c30bbfc1d821c8ded0877c6f51d5c2bd1b1036a20e5c59dcc989a",
    "signature": "0x454f36ed55e527d32d3971e192d07d8a91895b27f99c9b6fe2df2f302fb6ab5370201a48cc71fc4e24e2d4c238e57428594290536416ef2b1bbbc46305dc78f61b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}