{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "846934122",
    "entityType": "User",
    "nonce": "0xffcebacc10a65aa2861ee622115e3995374809843beecb0926f3a5802e4edf20",
    "signature": "0x18e9dd1330fb601ebe15e8a4292c14b438193eea79b98c2096e3f5150770675428f5e5de618bb32117ab4fe1c56068fd9f850dc05c4cd8fe1116d9411a48ccc51c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}