{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "765009876",
    "entityType": "User",
    "nonce": "0x10c13d5964086706b49049a867de7a11440e226053957e246856c128cdf3eb8d",
    "signature": "0x3b21676bcb4cab453eea1a015cf465d15132647a022fa90bc869da98a807d8dd567771c2e77704a0fccb71aee50f956545e6aad15f60f9ea32c84412b37064d61b",
    "signer": "0xe270C91f9476B885124d6c0208211213dC10036a",
    "userId": "94825285"
  }
}