{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129358",
    "entityType": "User",
    "nonce": "0x62a18c4598fbc4f67c8d7c2813581bfc1125fe465b3297fef98b9a81ff5d2cfd",
    "signature": "0xc3723cbfa204d10f7a8645e78aea1b0c70a468030c96926b2ba2de2e417373bf03f4c2a4dff5589cffa7b56449216b3f123986ae05460279e672e7071225b4211c",
    "signer": "0x6ecE2D82C15fa37cd66A99B21fffD5ad71a32457",
    "userId": "71132378"
  }
}