{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70210",
    "entityType": "User",
    "nonce": "0x05437d8e17c39cc821cb5745ec85572b226f0a7cf576a6a74ab9ec50a3f92f35",
    "signature": "0x85c2f98654544a1d3562edeb59422c56801bc6fde1667a46c4913d6339e77aa30f0d074dbe19e61bc6e7c8a534e5502c2b66d183e47e63c9f305463fcd24c0641b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}