{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155614",
    "entityType": "User",
    "nonce": "0xde10be451af3fa3fab8712e414de148e89418fdf7818b92b9a8ba888616cbbde",
    "signature": "0xdd6161dccc8eafc27076eaa9534673b2af7481c8b0490befed2fef45efa8b07611b97e7bd3913aeefbe07da980da2d0b1219c4fed4e28398921566fe14dd225a1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}