{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1702801",
    "entityType": "User",
    "nonce": "0x54316023a58c1beec684e5e0245f0275d5c01816b23edc565088a95f46977f17",
    "signature": "0xc0cff988bdff80abc8920192df019d80636cd88d864df3581d1f49639e1357b67b77a3ce321421c8491a03f5bdf2f5db061122a8b1d16535471ef8114dea0e821c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}