{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129358",
    "entityType": "User",
    "nonce": "0x8fc10ba1ace4f247708c5b4b058b14ce67f0f42d4bd64070bfba15ffd0b52915",
    "signature": "0x3f1da49c0c34a58e3c8860c2fac25a73db2328a69fbd2bd560b6e13a60653c1f4a6557a5e39e954ea99022d3ee53ca6215c2901fe9befa8655dec2c55fa2ba791c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}