{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "870",
    "entityType": "User",
    "nonce": "0x3edf2d29364102dfe80c011b93d6a2952f53573cc7304bee314ff8d79d789947",
    "signature": "0xb68b79164ebb1127d54c9d219ee6e949a0af2d83e47f46f42b9f1dbba774ba265971896eb847f6aafc9b12be28b2b549e0f9c31141d59fe4d7bcb7a65f7da5de1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}