{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x65b5b596c4ef21fc3a1b75f3e76965c3b8753bdf3c023012ba62942c23c5eb49",
    "signature": "0x84d2f838a1601565cd4a570feb590b7066f1a356a50c4c95bed0cf8189b583bb1dc27f6e1f8ce33a545334fc2df464e575d3ed2bf75c3b3107da4cd94a939fda1b",
    "signer": "0x0b919070bf4822A85C3b514201b2750E94a640a6",
    "userId": "429134824"
  }
}