{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325172820",
    "entityType": "User",
    "nonce": "0x1a1e015d22c1d4bf63e3ec563b9858125131b48ed75085cee15522f9fa9bb0d9",
    "signature": "0x6faafec977a16fa02541bf5867585e628564d6571d5c75124a0c1bf1aacca199190789ea295e4d6a0ec03929b24900b2ecebd0943125b291ed676584e9a0f4d01b",
    "signer": "0xe270C91f9476B885124d6c0208211213dC10036a",
    "userId": "94825285"
  }
}