{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17349",
    "entityType": "User",
    "nonce": "0x803c824f002f90febbbc115f3a3ed06a94e5fb753ceade50b9229afdfc490412",
    "signature": "0x37d5a4b5c9bd6ad595c17e6aadcf2973df4dd9ac21eaa51afcc598feba5c472275ef749ec53fdec1d6d7c18976e09cb48489ea6dab13a8d9289238c13858e2081b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}