{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "277",
    "entityType": "User",
    "nonce": "0xdcdb61966117ae0db4515fd940093e0d9ca330cb1eb74aa7ed74c574331039f0",
    "signature": "0x7f7d9fe804a824655bbd0455423a7463e83b6d9effeaae1b93bf16a2711e2a6f1d03512831d424081442c5ece1831d4790653b1ed5e16d3f1745a95f97930fdd1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}