{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x96e78278445824808537cf33542576b11afcae3e385f7b8600f6c204b28194a1",
    "signature": "0xe4ebc450ef9978f9c8f79f26e4b0f177a1fce7fc5e5315e5ada49c679deb32460f8c9e1192503addf8e4f53e490e25161ed3fa8d5109bea0446ce3966c5132091c",
    "signer": "0xEAE1c756dB1BE2AA6bFD12b24Ec5E1a5dFce3CE1",
    "userId": "324670697"
  }
}