{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62393",
    "entityType": "User",
    "nonce": "0x44248f0b5aa73eb01e4df8d2c5b4ff01a29fffcfa8ffddbdde06c38d0410e257",
    "signature": "0xfa83f9b1bc2433d8f8f5d8aa6bc4d500a0be44b28824022f5054742ba1fb99886c9d1396b6a2aacfa8a2c82bda76cbc45264b1d39bc64be5cce79ca383d70b411c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}