{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2051365",
    "entityType": "User",
    "nonce": "0x6e7249d148d3ee05830252f81a737c0158c8ab24dedc522c8538dfc0e8e8465a",
    "signature": "0x51067a3d9b70c85c1d08c39b61c1ee2471ec12a70b3dde7a432c27f499e53f7c0b03a866af39d60aed78f2092c886204e464c4a6a9620d4d18d6ef966af7344e1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}