{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52976",
    "entityType": "User",
    "nonce": "0xd36c049f382e4b1ef5de28ffd70f3a19c70d38c0f26220eb8f23c023c9909dd7",
    "signature": "0xf8c27c8c75fc35f756e8d5e02d42d5f0e06932e5e655f7f382e0d66aba4ebd5b7a16edeada3a55dbdc1c5289cc35dbde9d3b16798bf0297da5390a1018a247481c",
    "signer": "0xF4D35113bf653395d3a48c106C53522928Ffbd1d",
    "userId": "159182864"
  }
}