{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167551",
    "entityType": "User",
    "nonce": "0xe5a49d8fef24d4ce75897f8522b9a7664d8cbefee90c07fb0ab5597520279651",
    "signature": "0xb11d032e0c6a72c990ce7833ce9042827998b3f7a64af127e5b852bf9ae13a067d38285bbc65ce6be999114a80fc0de48bea8925937574664b2640b31a8284a61b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}