{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x13985c9a5796cbdac20afbe81f2a079491a9a6724e717465fdbca53fdf72b87f",
    "signature": "0x7e3b02408910de030744aa6ff96f5fdf5350ffe174a0ae09591a07beb52f445b1ce9ed5a97d53c7e60ef6ee95655b158c20d64deb2f08b871023cb1c5d8060d21c",
    "signer": "0x9698A898Ed554B831a7BB69972E1B05eCC560430",
    "userId": "967510490"
  }
}