{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "657635486",
    "entityType": "User",
    "nonce": "0x3250b161e426143a6096108858ebde23aaea62f0fc832ecb90478100ba9e6459",
    "signature": "0x0e46d1dc2a38cbbaa70784485fe416ec7a3ec1691d9b1dff6a059c89ce4d275119cc78d7e9436f7dc17de92315bc337cddd2ac3f3d290220bfad2bd53fbac1ee1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}