{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "204584826",
    "entityType": "User",
    "nonce": "0xe6f7ce12cc2778751b3f490124f91ac89c3c1456aa4ec331357afff6d66e6f6d",
    "signature": "0xc42f039c80d300bd5a563da6be2371fb92636ba191748abe7d3cea0124cfd86d72802cc2567ffd4aee21594e66e66b4ae46a05d09c87cab21dc2c912854f340a1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}