{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119972",
    "entityType": "User",
    "nonce": "0x0207a6ed1784f79c95febcb5351981ca999af4d8fbce61d09b503753c7505828",
    "signature": "0x46e55b1bdee8348626986a91c5fda515ad4b23e976cb68deea9dc752fd33d38b4721467a6742158cc406b552bde75291386b8a74cf8ce080e514518ee6c531f71c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}