{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "364820",
    "entityType": "User",
    "nonce": "0xce3678c65d919b9a4621938599474ea417ffddff3d196a1645ca7c35af30e84b",
    "signature": "0x8cda9ae96a73d8447434906644d6b9c8acd1bf5243ab365806f15f8ff136625c51b8e140a6676c1bf099100fbb79c7a7648ac73c44a3e4f79f83c610c18590b91c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}