{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39659",
    "entityType": "User",
    "nonce": "0x829b3e7bea2ad52eb2f7d570fe364eedac9f020e8b1b850e14d1a38ae97d223b",
    "signature": "0x50e67549fded6a9a4f5287b24ad68abc3f15e874ffced5bc7e0e2bd6d803ddf52a7a89c813b75b05a145dd39060bc70e50ed9e39b82038258c8c95e2b04b0a751c",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}