{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "132289",
    "entityType": "User",
    "nonce": "0x14f46f473f4405951f07ac58105b5e11e9fa0e3802419f394f45bd75a9f7c8ff",
    "signature": "0x9c220888c9f98c70fc78976a14e31e1502277604520381c80e2d104f66cfc65261e02e999ec63b57b764b45bd3c7d28bce7bc16aed0cbf85a1cbbd83dc88f0d31c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}