{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37362455",
    "entityType": "User",
    "nonce": "0x94f2745e736c8cfc760b06893842b35197d5014da033e1584a294c36a1c4422e",
    "signature": "0xb8003525578bc46a4dda5dd41509aa107208dc8851f6771689672cc55e05b9165c28b8988c2db8dad099c1e4293028edf72fb9e0ddea17a4298af1b94ec425301b",
    "signer": "0x7fdeEB144300AC6b1Be0E83d8f006b2D3140F73D",
    "userId": "325377357"
  }
}