{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5506",
    "entityType": "User",
    "nonce": "0xbcc6ae9b14edcb20438e92e106c66797247930a5913c3ff17b5e9857b6fc7985",
    "signature": "0x976b9e4fa9c62a9e75075eaa31cd11d18c25a9545f1bc324946dd3b6ff07e4216ab6059c881fd52596e5707e55ea230bde662dab81c6ba0822c333f6cca185921b",
    "signer": "0xA262fa1E6a4e2d4fD07d405D0572e986156e8e19",
    "userId": "16238"
  }
}