{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102133",
    "entityType": "User",
    "nonce": "0xea37af20defdb7e345094949c8eeae12bed7c599e563884f84977892a5f0d5cc",
    "signature": "0xb8cf2d3c753ab0d3196c07081629c55a3770723f787249ae5ff11998aec7fae53b4f3a3f2fc0e762201e3388254f5b550c68eabbd21b2519e7943a10df62856a1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}