{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0e8f6a0e692402e9043b993bf67914d144775b9c2b3f98037e97be7c52696725",
    "signature": "0x0f86a62e19558dde8a733227ac4d2b03af7732d5eef6a092336b1a9dfb0e5c616709214a4e107d029201324cfb4c0bcdfe75a5948afc8dc4aaa42a7ec55c41cf1c",
    "signer": "0x11536D52aE5b63C6Be05650c1Fb39F11159c2031",
    "userId": "576591920"
  }
}