{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "218470",
    "entityType": "User",
    "nonce": "0xd6541f8ff05ef533721076967a3fdfb3e224bbc216b6bc4b0475b37cabf31479",
    "signature": "0xf6f0951a37f8da7038efc9b6b62de8f564de4508d2c6dbf844e254188ea31e18468e0f525f1a5536fe129cd8b4c372136812f90a06339da361bea3159b582fbe1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}