{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "153695",
    "entityType": "User",
    "nonce": "0x977d600d908ee354be90d9e62e6a469d402401e3b30fe82cdf0a0edf10f50760",
    "signature": "0xe6961f640e8eccc1e366a08a4a161fe8c1e0e1d64c6168f82d3f503f98dccf53688cfa5351bafc05a80090a061996c1d8d15448c90c9fc49734dcc395118e9b51b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}