{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0x2e851c483d89d2dafa4a5d3254d627e1c975bee775cce1520aaee0b5ed77c6cf",
    "signature": "0x7d73397f03ad7bce10e655118bbd0b631adc01aa140037d17a48c20e1a702b5b162ad099782fa6f5edb3b49b4eaff200c18e4507c222cfd34183afebbe1e7dff1c",
    "signer": "0x1A3180C2B77F308242944Cc798Ae0C216079DC9d",
    "userId": "916060975"
  }
}