{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27409",
    "entityType": "User",
    "nonce": "0xe9b9c53f5cfbfc94fa3d9234230252d19f59f47fe36bbb06a2b12c8a5bb8fee9",
    "signature": "0x69487aa6233e36c26ebaaada2adafd9e18fc089af53e523e1a730815f1c864952ae383f950028d69282b4ce8a930f753686a754f6080e47ab5261a0c2ad5d84b1b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}