{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "359274",
    "entityType": "User",
    "nonce": "0x36087ef205d5df70c0852ce5ad3cba0a4d2b927b59a77ba024bb74e37238bf7f",
    "signature": "0x0a26ee41750688ae993583e8c9475aa2b9e55a760478d87d9b8b048d49c11b9f07b894730ffc462713e59e0ef8b4b3bc4da850eae011c9418b358f4b2adf996c1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}