{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "970214396",
    "entityType": "User",
    "nonce": "0x044e0be32f606bd26334f051e91b9ec5fcb4580b7596f82f07a4c668da034bf3",
    "signature": "0xea326d7202d234cdd7b8fa306ded6d3173390b9c49ce33fce5ce3304d83c464b7b470bd7c01fa92f5ed8210cee11a5992cc69e2ea02c35554f5dee49260fc61a1b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}