{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb6481886b8b6a90407d18f2e13bdf1c09aae1e8dfdf40a32089abd15751d1c3c",
    "signature": "0x9a2df844e73ad2c23af8ce6bbe2e21362098ca82bfb56bb8e443524103434aca339131c722bb4eb7ad699ab1e2907ddb4e88f15cd01d5a0199c3ad462ce1cae21c",
    "signer": "0xAe9F8ee3116BF8F54Cc34D0c73F8422EaC519108",
    "userId": "984947602"
  }
}