{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55378",
    "entityType": "User",
    "nonce": "0x3fe7b5d3392df6aa8817c6333dc08feccaa7a459cdf55a64a4ed83c2c29440bf",
    "signature": "0xa6816645822ffee97041d1e73b54bacf3df03dac12d59d234dd6b165879b3ba75898c76f0c72b82c63ca2ce65a97af2a67ade643e7ff786a68eddfaffd7b3eb01b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}