{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "380088986",
    "entityType": "User",
    "nonce": "0xb65f95f6fc24577cfe1b58bbaedd15da8243446d7674006d28c130e3ee8d57cf",
    "signature": "0xf981a1cb3f14007645ff7d45eec6784e1bd5984b89afa7aa389e64a6b488fe0d33b58ea55ba654b7868b0ffb8ee2a78499adc8e416ac20d918f6b8e9b81be5171b",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}