{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707342168",
    "entityType": "User",
    "nonce": "0xc9ab9b50cbc7594f8ec05f87a10e68fcee66cbdce871ab6125bc78d7812b00ab",
    "signature": "0xbe0b61463f090dbb2f16412989a714dac19835ef2e1bf663b0582a12863bb6f606191c9ce3138a9b9122dcc6e99c744982fed840930f8a5c87dec38974e787fb1b",
    "signer": "0xa372026fB2EE30b6F81CE820DcE21B455686A702",
    "userId": "344222954"
  }
}