{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "116782",
    "entityType": "User",
    "nonce": "0x7a16b304a1b66c6c2f2cea34dd807cae6b79dc5c810c7f07b49ecf2de171dd15",
    "signature": "0x62b0781c2ae1134a67932093a800da00899abdcf7b9a0b2924c564d2d715e2396550f090b83c5d7d35e23d272b9d123db2946a41e2927d88fb40e95c4f23c1951c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}