{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354908",
    "entityType": "User",
    "nonce": "0x85de7e262a71945dd8970342f438338516197685b742bcc21ef11af21fddfcc8",
    "signature": "0x235f74a0b8b7353fbaf576f33c94564d3a22422ac5ccde3aabff84f0fdd372467c2473b7e3f9921f4eefa13406e677f70ae1f1703bcf3b1ba3d3907470f321361c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}