{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "316208",
    "entityType": "User",
    "nonce": "0x432141a2eedfab498b67c0ebec28e8fcea0207162d5062719b017c37bc5ad8ee",
    "signature": "0x658fd546fefdc6d83dcd292e67fa976e43d2fb071cb53d09f2a09b10362d777c364808bdf6d210dacc4a01b1ac369abb1fd17072b378d1cd03e7d2acf8f40da41c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}