{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "965042984",
    "entityType": "User",
    "nonce": "0xae9777e9a7f80e0644e2f0902128f8dd85895f83b6a7a77628d88bbb7866200f",
    "signature": "0xf89f2ffa9212cb34278ebff2fc5e2de8581a5228e0f37b36ac4f32518c7654ee3cf1505f3e047537217996ac66fcebfc31c8cd00598f677cd0937f5ad779c5291c",
    "signer": "0xDe6128EEdBB4d15D391871267E286E878C7011B6",
    "userId": "144906061"
  }
}