{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5089",
    "entityType": "User",
    "nonce": "0xdadb4cc53bddf69e812f07d27ebff973795484a6f2e6879a94813c625f9270cc",
    "signature": "0x69b858e020e90f45a0b7b1a3a9b4eceac6b25c0f8a35853587a12c9cc93bcc9c51c7790cfcf46325f61a046ec98b2e782c07e76fcb13e9d24554728eb685838d1b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}