{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "485171412",
    "entityType": "User",
    "nonce": "0x9c5d7b176a59e274bde018d366397b804e10e7d5d215b08bab5b131ed2b710cf",
    "signature": "0x3e14fbe156b65e8ebe0b2a9385cc011e992e84b1bfc948489489805fb33e0ba96fb5fab17e3d203008d290b6769ceee4cd9e7d256096dd8acf5174223529a8b51c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}