{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60415",
    "entityType": "User",
    "nonce": "0x7e29053a435faafe543ec6e950cfc3afd3360e3d51c810200897d044779538d2",
    "signature": "0xca60ca2cc6acee06dde89e4432dd025437e95a4a28f4d54898b28281e375822349be0d935a530e7bedb128c4df821f694e0de149680080bb9b2a33355eb549ed1b",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}