{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55369",
    "entityType": "User",
    "nonce": "0x368182201fb448df4f58cb8ac203650250beac75d97bd9fd7ac01dbbe942af70",
    "signature": "0x3c1aa09d08cb1a503cb674e54af020b16e976dfe9aeeb6d0a665b984d20253e1085c8a6672fbb129c5d97952e8bf273dca0d4b8d385f4ef49b2cf2279d87e09e1c",
    "signer": "0x44E67f6fa14360B2F57Ee42Ba0e842f585FF85A1",
    "userId": "609847193"
  }
}