{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9efe26f0f67c9b8b3afb7848e2de50c082e78806b4ff333f805e8d60ee5617e7",
    "signature": "0x3ee9156937049bd4568e261cac99db643020bbe5ae49717a96db6d9f293bec6f07dd63606eebce4c49fc815942422015728a5cd353e962dbad580977de914cb81c",
    "signer": "0x0CA27f4e268E32bAb356111D4E4ED73285aa034f",
    "userId": "609283059"
  }
}