{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc5b16abc37e3a522c2ab3078059c20b772c3bd0fc08d2e017388974be9d87e0a",
    "signature": "0x59dc76fa66293d2da4b663f67a48170c258c58f2f32971053097610c287ee2dd1b7827d2b0077ae318ca69c837a4ca5c13b0c77fe568acfe76dd7be0b2286b9e1b",
    "signer": "0xB1fE402b5c53817B02e17071C551d422a00AFBF0",
    "userId": "934911881"
  }
}